Hazelnut
Corylus avellana
A reliable understory nut producer: happy in part shade, gives poles when coppiced, and asks little once settled. Plant two varieties for pollination and expect to share with squirrels.
Hazelnut in a syntropic line
Hazelnut belongs in the Medium layer as a Secondary productive species. The productive heart — most of your yield lives here. Rough in-row spacing starts around 5 m in a syntropic row. Good line partners include Black locust, False indigo bush. As a Secondary species it carries mid-term yield and structure while climax trees slowly claim the canopy.
Tolerances and growing conditions
- Strata
- Medium
- Lifecycle
- Secondary
- Soil preference
- Loam, Sandy
- Soil pH range
- 5.5 – 7.5
- Min. temperature
- -30°C
- Min. rainfall
- 700 mm/year
- Wind tolerance
- Medium
- Frost tolerance
- High
- Growth rate
- Medium
- Irrigation needed
- Medium
- Foliage
- Deciduous
- Waterlogging tolerance
- Low
- Origin
- Europe
- Native to Portugal
- Yes
How to manage it
Multi-stem shrub ideal for the understory and coppice/hedge lines; tolerates part shade and coppices readily for poles and mulch.
How to prune
Winter is the right time to prune hazelnut. Remove suckers and old, dark unproductive stems at the base, thin crowded growth, and keep 8-10 healthy stems in an open, goblet-shaped multi-stem form so light reaches the centre for nut set.
How to propagate
Layer low branches in autumn or transplant root suckers in winter.
Guidance, not a guarantee — success varies by species and skill.
What to watch out for
Wind-pollinated and largely self-incompatible - plant two or more cultivars for good nut set. Suckers freely and squirrels take the nuts.
Frequently asked questions about Hazelnut
Is hazelnut frost-hardy?
Yes for winter cold in many climates — generally hardy to around -30°C when dormant, with high frost tolerance in the catalog. Flowering crops can still lose a season to late frost, so site them carefully.
What soil does hazelnut need?
It does best on loam, sandy ground, at pH about 5.5–7.5.
How much water does hazelnut need?
Plan for a rainfall floor around 700 mm/year, plus medium irrigation once established.
Can hazelnut handle wet or waterlogged soil?
Poorly — hazelnut has low waterlogging tolerance, so keep it off winter-wet clay and standing water.
What should I watch out for with hazelnut?
Wind-pollinated and largely self-incompatible - plant two or more cultivars for good nut set. Suckers freely and squirrels take the nuts.
Hazelnut in soil templates
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